103561256136756 has 48 divisors (see below), whose sum is σ = 265356234920448. Its totient is φ = 31174369692000.

The previous prime is 103561256136727. The next prime is 103561256136797. The reversal of 103561256136756 is 657631652165301.

It is a happy number.

It is a super-3 number, since 3×103561256136756³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103561256136696 and 103561256136705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2597844210 + ... + 2597884073.

It is an arithmetic number, because the mean of its divisors is an integer number (5528254894176).

Almost surely, 2^{103561256136756} is an apocalyptic number.

It is an amenable number.

103561256136756 is an abundant number, since it is smaller than the sum of its proper divisors (161794978783692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103561256136756 is a wasteful number, since it uses less digits than its factorization.

103561256136756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195728452 (or 5195728450 counting only the distinct ones).

The product of its (nonzero) digits is 20412000, while the sum is 57.

The spelling of 103561256136756 in words is "one hundred three trillion, five hundred sixty-one billion, two hundred fifty-six million, one hundred thirty-six thousand, seven hundred fifty-six".